X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 21 - dos

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INT 21 - DOS - GET CURRENT TIME
        AH = 2Ch
Return: CH = hours
        CL = minutes
        DH = seconds
        DL = hundredths of seconds
Note:   time is updated approximately every 5/100 second
SeeAlso: AH=2Ah,AH=2Dh,AH=E7h,INT 1A/AH=00h,02h,FEh

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